Featuring a cast iron cam gear and billet steel crank gear, this 3-bolt double roller Hi-Tech timing set for '69-'84 Ford 351W and 351W HO is ideal for all street performance and race applications....
Hi-Tech Roller Race Timing Set for GM LS Gen IV (58x) Applications, Single Chain 9 Keyway (Three-Bolt, 4 Pole Reluctor) features:9-keyway crank sprocket offering 8 degrees maximum advance/retard (1...